Drainage Plan{
|
|
/ ~
|
�| >
| �w
|
—u��-
\ \
\ x \ \ 0 3{}
| ��Rs+mLL B.SORoKwwSZ ��
| \ \ \ m K�SnNE L SOROKNA52 m � GRAPHIC �(�/\L
Cu/l,u / Uo Acres ° ,
| \
\ /
F) Called
No 2'DoQOO214O45 |
1 ==��<J
| \ ' /�lI(�� �� |
\ \ \
D.
\
| /`\
/ '-^89.
CO
\ /
\ / \
\ | |
���� |
/ | \
/ \co
| /
~ /
~— |
i manna=
-~/|
/
�
2.0
I r2. 0 0
n(!3��
\ /
485
| --- --- --- --- —c��
` --- --- --- -r '
== //
(
�^ \
`\ \
\
\
/Z_
City of Coppell Aluminum marker set in the
top of curb of the parking lot opposite the front
doors of Wilson Elementary at 200 N. Coppell Rd.,
Approximately 36' (feet) east of the center line of
said Coppell Rd. Elevation = 515.37
BM -1 'X^ cut on top of the northeast corner of
a concrete mldowm|k on the east side f Freeport
Pkwy., and mouth of the concrete driveway of the
subject property. Elevation = 498.28
44
\ y
�
—486-- --- ---
--�m --- --- --- -
483 484 ---
-~
7. All roof drain laterals shall be 0.50% min. slope.
Drainage
Area N o.
Drainage
Area
C
t c
(min)
1100
(in/hr)
K
Q 100 REMARKS
(cfs)
D
2.00
0.30
10
8.88
1.00
5.33 Undeveloped Area
Existing Utilities in Area. Contractor to
determine location and elevation of all
utilities prior to construction. Contractor
to inform Engineer of any conflicts prior
to construction.
MV 4CO Flo W
-CALL BEFORE YOU DIG
(@ least 72 hours prior to digging)